cef/include/internal/cef_linux.h

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// Copyright (c) 2010 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CEF_INCLUDE_INTERNAL_CEF_LINUX_H_
#define CEF_INCLUDE_INTERNAL_CEF_LINUX_H_
#pragma once
#if defined(OS_LINUX)
#include <pthread.h>
#include "include/internal/cef_types_linux.h"
#include "include/internal/cef_types_wrappers.h"
// Atomic increment and decrement.
inline long CefAtomicIncrement(long volatile *pDest) { // NOLINT(runtime/int)
return __sync_add_and_fetch(pDest, 1);
}
inline long CefAtomicDecrement(long volatile *pDest) { // NOLINT(runtime/int)
return __sync_sub_and_fetch(pDest, 1);
}
// Critical section wrapper.
class CefCriticalSection {
public:
CefCriticalSection() {
pthread_mutexattr_init(&attr_);
pthread_mutexattr_settype(&attr_, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&lock_, &attr_);
}
virtual ~CefCriticalSection() {
pthread_mutex_destroy(&lock_);
pthread_mutexattr_destroy(&attr_);
}
void Lock() {
pthread_mutex_lock(&lock_);
}
void Unlock() {
pthread_mutex_unlock(&lock_);
}
pthread_mutex_t lock_;
pthread_mutexattr_t attr_;
};
// Handle types.
#define CefCursorHandle cef_cursor_handle_t
#define CefEventHandle cef_event_handle_t
#define CefWindowHandle cef_window_handle_t
#define CefTextInputContext cef_text_input_context_t
struct CefMainArgsTraits {
typedef cef_main_args_t struct_type;
static inline void init(struct_type* s) {}
static inline void clear(struct_type* s) {}
static inline void set(const struct_type* src, struct_type* target,
bool copy) {
target->argc = src->argc;
target->argv = src->argv;
}
};
// Class representing CefExecuteProcess arguments.
class CefMainArgs : public CefStructBase<CefMainArgsTraits> {
public:
typedef CefStructBase<CefMainArgsTraits> parent;
CefMainArgs() : parent() {}
explicit CefMainArgs(const cef_main_args_t& r) : parent(r) {}
explicit CefMainArgs(const CefMainArgs& r) : parent(r) {}
CefMainArgs(int argc_arg, char** argv_arg) : parent() {
argc = argc_arg;
argv = argv_arg;
}
};
struct CefWindowInfoTraits {
typedef cef_window_info_t struct_type;
static inline void init(struct_type* s) {}
static inline void clear(struct_type* s) {}
static inline void set(const struct_type* src, struct_type* target,
bool copy) {
target->parent_widget = src->parent_widget;
target->windowless_rendering_enabled = src->windowless_rendering_enabled;
target->transparent_painting_enabled = src->transparent_painting_enabled;
target->widget = src->widget;
}
};
// Class representing window information.
class CefWindowInfo : public CefStructBase<CefWindowInfoTraits> {
public:
typedef CefStructBase<CefWindowInfoTraits> parent;
CefWindowInfo() : parent() {}
explicit CefWindowInfo(const cef_window_info_t& r) : parent(r) {}
explicit CefWindowInfo(const CefWindowInfo& r) : parent(r) {}
///
// Create the browser as a child widget.
///
void SetAsChild(CefWindowHandle parent) {
parent_widget = parent;
}
///
// Create the browser using windowless (off-screen) rendering. No widget
// will be created for the browser and all rendering will occur via the
// CefRenderHandler interface. The |parent| value will be used to identify
// monitor info and to act as the parent widget for dialogs, context menus,
// etc. If |parent| is not provided then the main screen monitor will be used
// and some functionality that requires a parent widget may not function
// correctly. If |transparent| is true a transparent background color will be
// used (RGBA=0x00000000). If |transparent| is false the background will be
// white and opaque. In order to create windowless browsers the
// CefSettings.windowless_rendering_enabled value must be set to true.
///
void SetAsWindowless(CefWindowHandle parent, bool transparent) {
windowless_rendering_enabled = true;
parent_widget = parent;
transparent_painting_enabled = transparent;
}
};
#endif // OS_LINUX
#endif // CEF_INCLUDE_INTERNAL_CEF_LINUX_H_